6. Non-Living things of environment - water, stones,
sand, mountains, air, rain, temperature, etc.
7. We can see living things in all the three parts,
Land, water and air of environment.
8. Animals and plants around us
The variations observed in the shapes, sizes,
body parts, body structure, life patterns and
habitats of these living beings is called as
biological diversity or bio-diversity.
9. There are about 10,00,000 species of animals,
2,50,000 species of plants and innumerable
species of micro-organisms on earth.
26. Forests are cut down for activities such as huge
dam construction, factories, roads, etc. This is
destroying the jungle and the animals staying
there.